code: def testSolveBandSizeSmaller(self):
      rhs0 = np.random.randn(6, 4)
  
      # 6 x 6 matrix with 2 bands. Ensure all non-zero entries.
      matrix = 2.0 * np.random.uniform(size=[3, 6]) + 1.0
      self._verifySolveAllWaysReal(matrix, rhs0)
  
      # 6 x 6 matrix with 3 bands. Ensure all non-zero entries.
      matrix = 2.0 * np.random.uniform(size=[3, 6]) + 1.0
      self._verifySolveAllWaysReal(matrix, rhs0)
  
file_path: tensorflow-upstream/tensorflow/python/kernel_tests/math_ops/banded_triangular_solve_op_test.py
imports: import numpy
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import linalg_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 6 for calling the BandedTriangularSolveOpTest obj's underlying member method code with example usage: obj.testSolveBandSizeSmaller() without return types